.login,.register{max-width: 500px;display: inline-block;}
.box-item{
  padding: .3rem;
  .box-list{
    margin-bottom: .2rem;
    input[type="text"],input[type="password"]{border: 1px solid #eee;height: .6rem;padding: 0 .2rem;font-size: .26rem;}
    input[type="button"]{padding: .1rem .3rem;font-size: .3rem;}
  }
}